Finding the Fourth Proportional to 198,595.50, 274,064.97 and 107,951.64
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Solution
The fourth proportional to 198,595.50, 274,064.97 and 107,951.64 is: 148,974.99
Step by Step Solution
- Step 1: Write the proportion equation
198,595.50 : 274,064.97 = 107,951.64 : x - Step 2: Convert to fraction form
198,595.50/274,064.97 = 107,951.64/x - Step 3: Cross multiply
198,595.50x = 274,064.97 × 107,951.64 - Step 4: Simplify right side
198,595.50x = 29,585,761,747.90 - Step 5: Solve for x
x = 29,585,761,747.90/198,595.50 - Step 6: Final answer
x = 148,974.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.